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authorGiovanni Cabiddu <giovanni.cabiddu@intel.com>2016-10-21 13:19:48 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2016-10-25 11:08:31 +0800
commit1ab53a77b772bf7369464a0e4fa6fd6499acf8f1 (patch)
tree781b6c458c8bdc4dfb52e1f91707a108a96f6f98 /include/crypto/internal/acompress.h
parentcrypto: acomp - add asynchronous compression api (diff)
downloadlinux-dev-1ab53a77b772bf7369464a0e4fa6fd6499acf8f1.tar.xz
linux-dev-1ab53a77b772bf7369464a0e4fa6fd6499acf8f1.zip
crypto: acomp - add driver-side scomp interface
Add a synchronous back-end (scomp) to acomp. This allows to easily expose the already present compression algorithms in LKCF via acomp. Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto/internal/acompress.h')
-rw-r--r--include/crypto/internal/acompress.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/crypto/internal/acompress.h b/include/crypto/internal/acompress.h
index a9a9000d1aea..1de2b5af12d7 100644
--- a/include/crypto/internal/acompress.h
+++ b/include/crypto/internal/acompress.h
@@ -39,6 +39,21 @@ static inline const char *acomp_alg_name(struct crypto_acomp *tfm)
return crypto_acomp_tfm(tfm)->__crt_alg->cra_name;
}
+static inline struct acomp_req *__acomp_request_alloc(struct crypto_acomp *tfm)
+{
+ struct acomp_req *req;
+
+ req = kzalloc(sizeof(*req) + crypto_acomp_reqsize(tfm), GFP_KERNEL);
+ if (likely(req))
+ acomp_request_set_tfm(req, tfm);
+ return req;
+}
+
+static inline void __acomp_request_free(struct acomp_req *req)
+{
+ kzfree(req);
+}
+
/**
* crypto_register_acomp() -- Register asynchronous compression algorithm
*